From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: 3.0-rc3: WARNING: at fs/fs-writeback.c:356 writeback_single_inode+0x3e/0x18f() Date: Sun, 19 Jun 2011 09:07:18 +1000 Message-ID: <1308438438.32158.62.camel@pasglop> References: <1308112976.2635.27.camel@pasglop> <20110618173355.GB4652@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Meelis Roos , Linux Kernel list , Andrew Morton , linux-fsdevel@vger.kernel.org, Christoph Hellwig , Andi Kleen To: Wu Fengguang Return-path: Received: from gate.crashing.org ([63.228.1.57]:57776 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753207Ab1FRXHs (ORCPT ); Sat, 18 Jun 2011 19:07:48 -0400 In-Reply-To: <20110618173355.GB4652@localhost> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Sun, 2011-06-19 at 01:33 +0800, Wu Fengguang wrote: > Hi Benjamin, > > On Wed, Jun 15, 2011 at 02:42:56PM +1000, Benjamin Herrenschmidt wrote: > > On Tue, 2011-06-14 at 12:15 +0300, Meelis Roos wrote: > > > Tested 3.0-rc3 on my PC (2 PATA disks, single duron CPU). Got several of > > > these in dmesg: > > > > Same here on a powerpc64 machine while doing a fresh debian install > > (while the installer's installing the packages), -rc3 as well. > > Do you have some clue that this bug show up in between 3.0-rc1 and > 3.0-rc3, or between 2.6.39 and 3.0-rc3? No idea. I just noticed that as I was re-installing debian on a machine (to track down another problem actually). Maybe Meelis has more data. Cheers, Ben. > Thanks, > Fengguang > > > > [ 842.680141] ------------[ cut here ]------------ > > > [ 842.680172] WARNING: at fs/fs-writeback.c:356 writeback_single_inode+0x3e/0x18f() > > > [ 842.680178] Hardware name: > > > [ 842.680182] Modules linked in: mga ppdev lp ipv6 fuse loop snd_ens1371 gameport snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq sg sr_mod snd_timer snd_seq_device pcspkr evdev cdrom snd uhci_hcd ehci_hcd parport_pc rtc_cmos parport soundcore usbcore via686a snd_page_alloc ac97_bus hwmon i2c_viapro processor button > > > [ 842.680248] Pid: 1341, comm: flush-8:0 Not tainted 3.0.0-rc3 #67 > > > [ 842.680254] Call Trace: > > > [ 842.680269] [] ? printk+0x18/0x1a > > > [ 842.680281] [] warn_slowpath_common+0x77/0x8c > > > [ 842.680288] [] ? writeback_single_inode+0x3e/0x18f > > > [ 842.680294] [] ? writeback_single_inode+0x3e/0x18f > > > [ 842.680300] [] warn_slowpath_null+0x1d/0x1f > > > [ 842.680306] [] writeback_single_inode+0x3e/0x18f > > > [ 842.680313] [] writeback_sb_inodes+0xcb/0x153 > > > [ 842.680320] [] writeback_inodes_wb+0xb0/0xf1 > > > [ 842.680326] [] wb_writeback+0x122/0x1b0 > > > [ 842.680334] [] wb_check_old_data_flush+0x6a/0x76 > > > [ 842.680340] [] wb_do_writeback+0xa0/0xf3 > > > [ 842.680347] [] bdi_writeback_thread+0x3f/0xd7 > > > [ 842.680354] [] ? wb_do_writeback+0xf3/0xf3 > > > [ 842.680366] [] kthread+0x61/0x66 > > > [ 842.680373] [] ? kthread_worker_fn+0xf7/0xf7 > > > [ 842.680383] [] kernel_thread_helper+0x6/0xd > > > [ 842.680388] ---[ end trace c75e8a0e74c129b7 ]--- > > > > > > > > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html